Jean-Yves F. Barbier <12ukwn(at)gmail(dot)com> wrote:
> Hi list,
>
> What I understand from doc about GIST index, is it offers more possibilities of
> comparison that B-tree.
> But what could it really bring to a regular application in reality?
A LOT, see, for instance, PostGIS. Or for 'exclusion constraints', see
http://www.depesz.com/index.php/2010/01/03/waiting-for-8-5-exclusion-constraints/
Andreas
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